1120909203 has 12 divisors (see below), whose sum is σ = 1630911048. Its totient is φ = 741817440.

The previous prime is 1120909201. The next prime is 1120909213. The reversal of 1120909203 is 3029090211.

It is not a de Polignac number, because 1120909203 - 2¹ = 1120909201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120909201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453313 + ... + 455778.

It is an arithmetic number, because the mean of its divisors is an integer number (135909254).

Almost surely, 2^1120909203 is an apocalyptic number.

1120909203 is a deficient number, since it is larger than the sum of its proper divisors (510001845).

1120909203 is a wasteful number, since it uses less digits than its factorization.

1120909203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909234 (or 909231 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1120909203 is about 33479.9821236511. The cubic root of 1120909203 is about 1038.7797581261.

Adding to 1120909203 its reverse (3029090211), we get a palindrome (4149999414).

The spelling of 1120909203 in words is "one billion, one hundred twenty million, nine hundred nine thousand, two hundred three".